[Formulajones]

Originally Posted by HWYSTR455

FormulaJones - Thank you for a detailed response, much appreciated! Would be interested in more details on the mods required for the Chevelle pan, probably more than this thread should have. (Maybe PM me)

Cold air, that too is a very good point, and guess with EFI, it would have less effect/improvement, but cold air is still an improvement. IAT readings fatten it up with colder air, hence, more power. (theoretically)

I agree, functional on the 68 in discussion would be a cool/wow factor, and at a lower power build makes much more sense. Well, if you consider 525-600 a 'lower power' that is!

On the #5 clearance, wasn't the factory spec bigger for #5 too? I thought for some reason it was like .0003-.0005 more than the rest, but I honestly can't recall specifically. (Wish I wasn't living out of boxes right now)


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You are correct, at least the one old book I grabbed does have the #5 main with slightly larger "range" for oil clearance. I don't know if all books or more recent books are like that.

I'll send you a pm.